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Jessica Alba headed into an NYC taxi looking funky chic in a pair of T-Bags cropped printed satin pants ($145). The actress is no stranger to bold bottoms — hello, colored-denim obsession! — but we appreciate that she added a bit of abstract print to her repertoire. Up top she sported a gray scoop-neck t-shirt with a black crossbody bag and blue sunglasses, and on bottom she wore ankle-strap sandals with a chunky square heel. Score Jessica's exact printed bottoms to wear with a casual tee for a daytime activity, then dress them up at night with a black tube top and high-heeled sandals.

Mixed-print looks emerged as one of the hottest trends for the season, being shown on the runways from brands like Rebecca Minkoff, J.Crew, and Rodarte, as well as on some of our favorite celebrity style setters — and it's proven to be a fun (albeit risk-taking) look for Summer. It's much harder to get wrong than it is to get right; all you have to do is layer up with your favorite prints. Whether it's leopard and florals, stripes and tropical prints, or even paisley and polka dots, you'll create a cool, laid-back look that's all your own. Here are a few ways to make it work:

• Start with a Summer-ready striped tee and pair of plain white high-tops; this will be the perfect base for your mixed-print look.
• Add a pair of floral cutoffs (or even a flowered skirt!) for a high-powered dose of prints. As long as you stay in the same color family, it really doesn't matter what kind of prints you put together.
• If you're feeling even more bold, half-tuck your tee and cinch the waist with a leopard belt. Otherwise, keep accessories neutral, like a thin gold pendant necklace and navy leather crossbody bag.

While filming scenes for the upcoming season of Smash in NYC, Katharine McPhee worked a taupe leather jacket, colorful scarf, and peep-toe Maison Martin Margiela ankle booties ($855). The actress layered her Fall essentials over a lavender sweater and black skinny jeans, then accessorized with a stud-trim Romygold hobo and gold pyramid necklace. Pair her exact leather booties with everything from shorts and skirts to a chic dress now, then style them with an edgy leather jacket and bold scarf like Katharine when the temperatures start to cool down.

Fedora, wide-brimmed, cloche-shaped, and Panama-style — the one thing these silhouettes have in common? How totally seasonal they look in straw-hat form. If we have anyone to thank for our newfound love of this particular style, it's Stacy Keibler and her plethora of enviable Lake Como outfits, all of which include a variation on the slick straw-infused fedora. The most apparent reason we love a great straw hat, though? It's so versatile in its styling options. From daytime cool (throw it one with a casual maxi dress) to date night-appropriate (just add it to a sweet floral skirt-and-silk blouse combo), the hat wears, well, many different hats. To make sure you've got plenty of options, we've culled the best of the straw-hat bunch. Shop your favorites and tell us how you'll be wearing it next.

Katie Holmes strolled the streets of NYC wearing Isabel Marant's embroidered top with skinny jeans, pink sunglasses, tan flats, and a matching tan bag. Not too long after that Anne Hathaway hung out in LA wearing the same top with navy skinny jeans, red sunglasses, a striped scarf, and Tory Burch espadrille flats. Both actresses were on the same wavelength pairing their peasant-style top with a more fitted bottom, colored shades, and comfortable flats. While their exact Isabel Marant top is no longer available online, you can still get in on the summery trend by shopping our favorite embroidered tops below. Pair yours with skinny jeans like Katie and Anne did, wear it with denim shorts to show off your legs, then rock it with a miniskirt to transform your look to night.

From the red carpet to the streets, Jessica Biel has been showcasing some seriously stellar looks, including her latest LA ensemble: green Level 99 skinny jeans ($102), a navy linen blazer, and a metallic Ralph Lauren hobo ($900, originally $1,950). Jessica's leopard flats and metallic bag lent the perfect amount of print and texture to her too-cool color combo, while her mixed-metal bracelet, blue watch, and cat-eye shades upped the glam factor. Shop her exact denim and bag to work with a navy blazer, or inject serious sparkle for date night by swapping her white T-shirt for this sequin ASOS tank ($50) and sky-high pumps.